<template>
  <div class="auth-page">
    <div class="container page">
      <div class="row">
        <div class="col-md-6 offset-md-3 col-xs-12">
          <h1 class="text-xs-center">{{isLogin ? 'Sign in' : 'Sign up'}}</h1>
          <p class="text-xs-center">
            <a href>{{isLogin ?'Need an account?' : 'Have an account?'}}</a>
          </p>

          <ul class="error-messages">
            <template v-for="(msgs, field) in errors">
              <li v-for="(msg, index) in msgs" :key="index">{{field}} {{msg}}</li>
            </template>
          </ul>

          <form @submit.prevent="onSubmit">
            <fieldset class="form-group" v-if="!isLogin">
              <input
                v-model="user.username"
                class="form-control form-control-lg"
                type="text"
                placeholder="Your Name"
                required
              />
            </fieldset>
            <fieldset class="form-group">
              <input
                v-model="user.email"
                class="form-control form-control-lg"
                type="email"
                placeholder="Email"
                required
              />
            </fieldset>
            <fieldset class="form-group">
              <input
                v-model="user.password"
                class="form-control form-control-lg"
                type="password"
                placeholder="Password"
                required
              />
            </fieldset>
            <button class="btn btn-lg btn-primary pull-xs-right">{{isLogin ? 'Sign in' : 'Sign up'}}</button>
          </form>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { login, register } from "@/api/user";
// 仅在客户端加载
const Cookie = process.client ? require("js-cookie") : undefined;

export default {
  middleware: "notAuthenticated",
  data() {
    return {
      user: {
        username: "",
        email: "",
        password: "",
      },
      errors: {},
    };
  },
  computed: {
    isLogin() {
      return this.$route.name === "login";
    },
  },
  methods: {
		onSubmit () {
			const cb = this.isLogin ? login : register;
			cb({user: this.user}).then(res => {
        const {data} = res;
				if (data && data.user) {
          console.log('login successed');
					this.$store.commit("setUser", data.user);
          // 为了防止刷新页面数据丢失，需要把数据持久化
          Cookie.set("user", data.user);
          // 跳转到首页
          this.$router.push("/");
        }
			}).catch(err => {
        console.log('err******: ', err);
				this.errors = err.errors;
			});
		}
	}
}
</script>

<style></style>